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Simultaneous ICP-AES Determination of Iron Manganese Copper Zinc in Tremella with Microwave Assisted Sample Digestion

Tang Jiao-rong

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Abstract

The tremella sample was digested with mixed solution of HNO3-H2O2(7+2) by microwave sample digestion system and the contents of Fe,Mn,Cu,Zn in sample solution were determined by ICP-AES.Wavelengths of 238.204,257.610,324.752 and 206.200 nm were selected as analytical spectral lines for determination of Fe,Mn,Cu and Zn respectively.Values of RSD′s(n=5) of Fe,Mn,Cu and Zn were in the range of 1.4%-2.3%,and detection limits(3s) found were less than 0.015 mg·L-1.The proposed method was used in the determination of the 4 elements in tremella,giving values of recovery in the range of 89.6%-97.3%.The results obtained was in conformity with those obtained by AAS.

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What this paper is about

The tremella sample was digested with mixed solution of HNO3-H2O2(7+2) by microwave sample digestion system and the contents of Fe,Mn,Cu,Zn in sample solution were determined by ICP-AES.Wavelengths of 238.204,257.610,324.752 and 206.200 nm were selected as analytical spectral lines for determination of Fe,Mn,Cu and Zn respectively.Values of RSD′s(n=5) of Fe,Mn,Cu and Zn were in the range of 1.4%-2.3%,and detection limits(3s) found were less than 0.015 mg·L-1.The proposed method was used in the determination of the 4 elements in tremella,giving values of recovery in the range of 89.6%-97.3%.The results obtained was in conformity with those obtained by AAS.

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Available abstract

The tremella sample was digested with mixed solution of HNO3-H2O2(7+2) by microwave sample digestion system and the contents of Fe,Mn,Cu,Zn in sample solution were determined by ICP-AES.Wavelengths of 238.204,257.610,324.752 and 206.200 nm were selected as analytical spectral lines for determination of Fe,Mn,Cu and Zn respectively.Values of RSD′s(n=5) of Fe,Mn,Cu and Zn were in the range of 1.4%-2.3%,and detection limits(3s) found were less than 0.015 mg·L-1.The proposed method was used in the determination of the 4 elements in tremella,giving values of recovery in the range of 89.6%-97.3%.The results obtained was in conformity with those obtained by AAS.

Key concepts: Inductively coupled plasma atomic emission spectroscopy, Zinc, Copper, Manganese, Analytical Chemistry (journal), Chemistry, Microwave digestion, Detection limit

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Simultaneous ICP-AES Determination of Iron Manganese Copper Zinc in Tremella with Microwave Assisted Sample Digestion — Research Paper | ScholarLens